Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Serpentine Subgroup from
Somerset County, New Jersey, USA


Locality type:County
Classification
Species:'Serpentine Subgroup' (not an IMA approved species)
Formula:D3[Si2O5](OH)4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Serpentine Subgroup data
Locality Data:Click here to view Somerset County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:360358
Long-form Identifier:1:3:360358:1
GUID (UUID V4):0
Nearest other occurrences of Serpentine Subgroup
22.8km (14.2 miles) ⓘFlemington Copper Mine, Flemington, Hunterdon County, New Jersey, USA
42.1km (26.1 miles) ⓘLincoln Avenue, Staten Island (Richmond County), New York City, New York, USA
43.1km (26.8 miles) ⓘMontville serpentine deposit, Montville Township, Morris County, New Jersey, USA
43.1km (26.8 miles) ⓘLake Valhalla Quarry (Gordon's Crystalline Limestone Quarry), Montville Township, Morris County, New Jersey, USA
43.2km (26.9 miles) ⓘSpring Street Artinite occurrence, Staten Island (Richmond County), New York City, New York, USA
43.3km (26.9 miles) ⓘAhles Mine (Osmun-Robeson Mine; Pequest), Oxford Furnace, Oxford Township, Warren County, New Jersey, USA
44.5km (27.6 miles) ⓘGrymes Hill, Staten Island (Richmond County), New York City, New York, USA
46.0km (28.6 miles) ⓘGhost Lake area, Independence Township, Jenny Jump Mountain, Warren County, New Jersey, USA
51.4km (31.9 miles) ⓘRoyal Green Marble Quarry (Warnes Quarry; Rock Products Company Quarry), Lopatcong Township, Warren County, New Jersey, USA
52.1km (32.3 miles) ⓘSherrer Quarry, C.K. Williams Quarry complex, Chestnut Hill, Easton, Northampton County, Pennsylvania, USA
References
Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row.
 
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